Hose shoulder injection machine

Abstract

The present invention discloses a hose shoulder injection machine, comprising a frame, a base, a loading rack, a sprayer, a molding head and a cooler. The base is installed on the frame and can perform rotational motion on the frame. A lower mold is arranged on the base, and a die head is arranged on the top of the lower mold. The base can drive the lower mold to move to positions corresponding to the loading rack, the sprayer, the molding head and the cooler in sequence. During production, the hose is installed on the lower mold through the loading rack, and then the base drives the lower mold to move to the sprayer. The sprayer sprays molten glue onto the die head, and then moves to the molding head. The molding head and the die head cooperate to extrude the molten glue, thereby squeezing out the hose shoulder. After that, the base drives the hose to move to the cooler for cooling, and finally unloading. The whole process completes the molding of the hose shoulder through extrusion molding. Compared with the prior art, the speed of extrusion molding far exceeds the speed of injection molding, the production is faster, the hose shoulder is not easily damaged, and the market competitiveness is stronger.

Description

Technical Field

[0001] The invention relates to the field of hoses, in particular to a hose shoulder injection machine. Background Art

[0002] The hose is a very commonly used container in all walks of life, such as toothpaste tubes, medicine tubes, etc. When manufacturing these hoses, the existing production method is mostly to install the hose on a fixed mold, then close the movable mold and the fixed mold, and then perform injection molding in the mold, so that the hose shoulder is injection molded on the hose, and then open the mold and remove the product. One problem with this method is that the injection molding time is relatively long, and after the injection molding is completed, the temperature of the hose shoulder is high, and it is easy to deform or break if you are not careful, and the production efficiency is low. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a more efficient hose shoulder injection machine.

[0004] The technical solution adopted by the present invention to solve the problem is:

[0005] A hose shoulder injection machine, comprising:

[0006] frame;

[0007] A base, the base is arranged on the frame, the base can make a rotational motion on the frame, at least one group of lower mold groups is arranged on the base, each group of lower mold groups includes at least one lower mold, a die head matching the shape of the hose shoulder is arranged on the top of the lower mold, and the lower mold is used to install the hose;

[0008] A loading rack, which is located on one side of the base and is used to install the hose on the lower mold;

[0009] A spraying machine, which is arranged on a frame and sprays the molten glue onto a die head;

[0010] A molding head, which is arranged on the frame and can move up and down relative to the lower mold, so as to cooperate with the die head to extrude the molten plastic into a molding shape;

[0011] A cooler, the cooler being used to cool the injection shoulder;

[0012] The base can drive the lower mold to move to positions corresponding to the loading rack, the spraying machine, the molding head and the cooler in sequence.

[0013] As a further improvement of the above technical solution, the loading rack comprises:

[0014] A conveyor belt, wherein the conveyor belt is used to transport the hose to one side of the base in a specified direction;

[0015] A clamp is arranged on the frame and is used for clamping the hose and putting it onto the lower mold.

[0016] As a further improvement of the above technical solution, the conveyor belt is provided with a plurality of mounting grooves, the mounting grooves are used to convey the hose in a horizontal direction, and the clamp comprises:

[0017] A rotating motor, wherein the rotating motor is arranged on a frame;

[0018] A connecting rod, one end of which is fixedly mounted on the output shaft of the rotating motor, and the rotating motor can drive the connecting rod to rotate;

[0019] A vacuum suction cup, the vacuum suction cup is pivotally connected to the other end of the connecting rod, and the end of the vacuum suction cup is connected to the output shaft of the rotating motor through a pulley, so that the suction cup rotates synchronously under the drive of the rotating motor, thereby sucking and moving the hose from the horizontal direction to the vertical direction;

[0020] A push rod is located above the base, the push rod corresponds to the position of the connecting rod, and the push rod is used to press the hose sucked by the vacuum suction cup down onto the lower mold.

[0021] As a further improvement of the above technical solution, the spraying machine includes:

[0022] A die head, which is used to heat the material and transport it;

[0023] A spray head, wherein at least one spray nozzle is provided on the spray head, and a movable switch is provided on the spray nozzle. The spray head is arranged on the machine head, and the heated molten adhesive is transported into the spray head;

[0024] A driving motor, wherein the driving motor is arranged on the machine head, and an output end of the driving motor is connected to a gear through a pulley;

[0025] A rack is connected to the mobile switch and drives the mobile switch to move, and the rack is meshed with the gear, thereby driving the mobile switch to open or close the nozzle.

[0026] As a further improvement of the above technical solution, a hose regulator is also included, and the hose regulator includes:

[0027] A mounting plate, the mounting plate being movable forward and backward relative to the lower mold;

[0028] A driving wheel, the driving wheel is arranged on the mounting plate, and the driving wheel is driven by a driver;

[0029] A driven wheel, wherein a tight belt is arranged on the outer periphery of the driving wheel and the driven wheel, and when the mounting plate moves forward relative to the lower mold, the belt can be brought into contact with the hose on the surface of the lower mold;

[0030] The sensor is located on one side of the lower mold and can sense the mark on the hose to determine the position of the hose.

[0031] As a further improvement of the above technical solution, the molding head comprises:

[0032] A forming frame, which is arranged on the frame and can move up and down relative to the lower mold;

[0033] At least two forming dies, the forming dies are arranged in a forming frame, all the forming dies can be relatively opened or assembled, all the forming dies can be sleeved on the outside of the die head when assembled, a forming cavity of the hose shoulder is formed between all the forming dies and the die head, and a push-up inclined surface is arranged on the outside of the forming dies;

[0034] The driver is located in the forming frame and can move up and down relative to the forming mold. The driver cooperates with the push inclined surface to squeeze all the forming molds to be assembled toward the center.

[0035] As a further improvement of the above technical solution, the die head is detachably mounted on the lower mold.

[0036] As a further improvement of the above technical solution, the cooler includes a contact frame, a contact is provided on the contact frame, the contact head can move up and down relative to the contact frame, a contact cavity matching the shape of the hose shoulder is provided on the contact head, a water cooling channel is provided in the contact head, and the water cooling channel is connected to the coolant.

[0037] As a further improvement of the above technical solution, the cooler includes an air cooler, which is arranged on a frame and is provided with a blowing nozzle. The base can drive the lower mold to move to a position corresponding to the blowing nozzle, and the blowing nozzle can blow air to the hose shoulder on the die head for air cooling.

[0038] As a further improvement of the above technical solution, a material unloading robot is also provided on one side of the base, and the material unloading robot is used to remove the hose with the shoulder injected.

[0039] The beneficial effects of the present invention are as follows: a base, a loading rack, a sprayer, a molding head and a cooler that can perform rotational motion are arranged on the frame, at least one group of lower mold groups are arranged on the base, a die head is arranged on the top of the lower mold, the base can drive the lower mold to move to positions corresponding to the loading rack, the sprayer, the molding head and the cooler in sequence, during production, the hose is installed on the lower mold through the loading rack, and then the base drives the lower mold to move to the sprayer, the sprayer sprays the molten glue onto the die head, and then the base continues to drive the lower mold to move to the molding head, the molding head cooperates with the die head to extrude the molten glue, thereby squeezing out the hose shoulder, and at the same time making the molten glue contact with the hose, and then connecting them under the action of the adhesive force of the molten glue itself, and then the molding head is reset, and the base drives the lower mold with the hose with the shoulder already injected to the cooler part, and then the hose shoulder is thoroughly cooled by the cooler, thereby completing the entire production process. The entire process is completed by extrusion to form the hose shoulder. Compared with the existing technology, the speed of extrusion molding is much faster than that of injection molding, the production is faster, the hose shoulder is not easily damaged, and the market competitiveness is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The present invention will be further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0041] Figure 1 This is a schematic diagram of the structure in the first direction of a preferred embodiment of the present invention;

[0042] Figure 2 A top view of a preferred embodiment of the present invention;

[0043] Figure 3 It is a schematic diagram of the structure in the second direction of a preferred embodiment of the present invention;

[0044] Figure 4 It is a structural schematic diagram of a hose adjustment structure in a preferred embodiment of the present invention;

[0045] Figure 5 It is a structural schematic diagram of a hose regulator in a preferred embodiment of the present invention;

[0046] Figure 6 It is a structural schematic diagram of a spraying machine in a preferred embodiment of the present invention;

[0047] Figure 7 for Figure 6 AA direction cross-sectional structure schematic diagram;

[0048] Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure in CC direction;

[0049] Fig. 9 for Figure 6A schematic diagram of the local enlarged structure at B;

[0050] Fig.10 is a schematic diagram of the structure of a lower mold assembly;

[0051] Fig.11 for Fig.10 Schematic diagram of the cross-sectional structure in the DD direction;

[0052] Fig.12 This is a schematic diagram of the structure of a molding head in a preferred embodiment of the present invention;

[0053] Fig.13 for Fig.12 Schematic diagram of the cross-sectional structure in the EE direction;

[0054] Fig.14 This is a schematic diagram of the structure of a molding die in a preferred embodiment of the present invention;

[0055] Fig.15 It is a schematic structural diagram of a contact frame in a preferred embodiment of the present invention;

[0056] Fig.16 for Fig.15 Schematic diagram of the cross-sectional structure in the FF direction;

[0057] Fig.17 It is a schematic diagram of the structure of the air cooler in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0058] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0059] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0060] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0061] Reference Figures 1 to 17 , a hose shoulder injection machine, comprising:

[0062] Rack 10;

[0063] A base 20, the base 20 is arranged on the frame 10, the base 20 can make a rotational motion on the frame 10, the base 20 is provided with at least one group of lower mold sets 30, each group of lower mold sets 30 includes at least one lower mold 301, the top of the lower mold 301 is provided with a die head 302 that matches the shape of the hose shoulder, and the lower mold 301 is used to install the hose;

[0064] A loading rack 40, the loading rack 40 is located at one side of the base 20, and the loading rack 40 is used to install the hose on the lower mold 301;

[0065] A spraying machine 50, which is disposed on the frame 10 and sprays the molten adhesive onto the die head 302;

[0066] The molding head 60 is disposed on the frame 10 and can move up and down relative to the lower mold 301 so as to cooperate with the die head 302 to extrude the molten plastic into a molding shape;

[0067] A cooler, the cooler being used to cool the injection shoulder;

[0068] The base 20 can drive the lower mold 301 to move to positions corresponding to the loading rack 40, the spraying machine 50, the molding head 60, and the cooler in sequence.

[0069] A base 20, a material loading rack 40, a spraying machine 50, a molding head 60 and a cooler are arranged on the frame 10, and at least one group of lower mold groups 30 are arranged on the base 20. A mold head 302 is arranged on the top of the lower mold 301. The base 20 can drive the lower mold 301 to move to positions corresponding to the material loading rack 40, the spraying machine 50, the molding head 60 and the cooler in sequence. When in use, the hose is installed on the lower mold 301 through the material loading rack 40, and then the base 20 drives the lower mold 301 to move to the spraying machine 50. The spraying machine 50 sprays the molten glue onto the die head 302, and then the base 20 continues to drive the lower mold 301 to move to the molding head 60. The molding head 60 cooperates with the die head 302 to extrude the molten glue, thereby squeezing out the hose shoulder, and at the same time, the molten glue contacts the hose, and then connects under the action of the adhesive force of the molten glue itself. After that, the molding head 60 resets, and the base 20 drives the lower mold 301 with the hose with the shoulder already injected to the cooler part, and then the hose shoulder is thoroughly cooled by the cooler, thereby completing the entire production process. The entire process completes the molding of the hose shoulder through extrusion. Compared with the existing technology, the speed of extrusion molding far exceeds the speed of injection molding, the production is faster, the hose shoulder is not easily damaged, and the market competitiveness is stronger.

[0070] In the present embodiment, each lower mold assembly 30 is preferably provided with two lower molds 301, and the sides of the two lower molds 301 are also provided with clamping plates 303, and the clamping plates 303 are used to clamp the hose to prevent the hose from running. Preferably, there are two clamping plates 303, which are respectively arranged on both sides of each lower mold assembly 30, and then a synchronous cylinder 304 is used to drive the two clamping plates 303 to move toward each other, so as to clamp the hose.

[0071] Since in many cases, the same hose needs to correspond to different hose shoulders, in order to facilitate production and reduce costs, it is preferred that the die head 302 is detachably mounted on the lower mold 301 .

[0072] In the above technical solution, the base 20 is preferably disc-shaped, and the base 20 can rotate on the frame 10, and the loading rack 40, the spraying machine 50, the molding head 60, the cooler, etc. are sequentially arranged on the frame 10 along the circumferential direction of the base 20, so as to perform a rotary motion. Preferably, eight groups of lower mold assemblies 30 are arranged on the base 20, and the eight groups of lower mold assemblies 30 are evenly arranged along the circumference of the base 20.

[0073] Further improvement is made, the loading rack 40 comprises:

[0074] A conveyor belt 401, wherein the conveyor belt 401 is used to transport the hose to one side of the base 20 in a specified direction;

[0075] The clamp is arranged on the frame 10, and is used to clamp the hose and put it on the lower mold 301. In actual production, the clamp can be clamped by a manipulator, but the complexity of the manipulator clamping is relatively high.

[0076] In order to more conveniently clamp the hose and install it on the lower mold 301, the conveyor belt 401 is provided with a plurality of installation slots 402, and the installation slots 402 are used to convey the hose in a horizontal direction. The clamp includes:

[0077] A rotating motor 403, wherein the rotating motor 403 is disposed on the frame 10;

[0078] A connecting rod 404, one end of which is fixedly mounted on the output shaft of the rotating motor 403, and the rotating motor 403 can drive the connecting rod 404 to rotate;

[0079] A vacuum suction cup 405, the vacuum suction cup 405 is pivotally connected to the other end of the connecting rod 404, and the end of the vacuum suction cup 405 is connected to the output shaft of the rotating motor 403 through a pulley, so that the suction cup rotates synchronously under the drive of the rotating motor 403, thereby sucking and moving the hose from the horizontal direction to the vertical direction;

[0080] The push rod 406 is located above the base 20 . The push rod 406 corresponds to the position of the connecting rod 404 . The push rod 406 is used to press the hose sucked by the vacuum suction cup 405 down onto the lower mold 301 .

[0081] When in use, the hose is first conveyed horizontally to the position corresponding to the fixture through the installation slot 402 on the conveyor belt 401, and then the vacuum suction cup 405 absorbs the horizontally placed hose, and then the rotary motor 403 drives the connecting rod 404 to rotate to a vertical state, and the vacuum suction cup 405 can rotate synchronously under the action of the rotary motor 403 through the pulley, so that the specific direction of the hose can be adjusted during use. In this solution, the hose is adjusted to a vertical state. At this time, the hose is located above the lower mold 301, and then the push rod 406 is pressed downward to press the hose into the lower mold 301. Moreover, the technology of this solution can adjust the direction of the hose during loading and the direction of the vacuum suction cup 405 according to needs during use. By adjusting the diameter ratio of one end of the output shaft of the rotary motor 403 and the diameter of the vacuum suction cup 405 installed on one end of the pulley, the angle of the hose flipping can be effectively adjusted. In this example, the vacuum suction cup 405 is preferably placed horizontally when sucking the hose, and then the rotating motor 403 drives the connecting rod 404 to rotate 90 degrees. At the same time, the rotating motor 403 drives the vacuum suction cup 405 to rotate 180 degrees, so that the hose is facing the direction of the base 20, so that the layout of the entire device is more reasonable, and the rotating motor 403 can be set on the outside of the base 20, so that the entire device only needs one clamp. If there is no pulley to drive it, and only the rotating motor 403 and the connecting rod 404 are relied on, the hose after clamping will face outward, making it difficult to arrange the rotating motor 403. The angle at which the vacuum suction cup 405 is clamped by the rotating motor 403 will be relatively strange, which is prone to errors.

[0082] In the present solution, a positioning plate 410 is preferably also provided, and the positioning plate 410 is located on the rear side of each lower mold group 30. When the rotating motor 403 drives the vacuum suction cup 405 to rotate until the position of the hose corresponds to the lower mold 301, the hose just abuts against the positioning plate 410. In other words, conversely, when the positioning plate 410 abuts against the hose, the system can determine that the clamp clamps the hose to the appropriate position.

[0083] When the hose is installed on the lower mold 301, the position of the hose may not be very clear. However, during production, the position of the hose shoulder and the relative position of the hose are often required to be more accurate. For this reason, a hose regulator is provided on one side of the lower mold 301. The hose regulator includes:

[0084] A mounting plate 407, wherein the mounting plate 407 can move forward and backward relative to the lower mold 301;

[0085] A driving wheel 408, wherein the driving wheel 408 is disposed on the mounting plate 407 and driven by a driver;

[0086] Two driven wheels 409, the two driven wheels 409 are connected to the driving wheel 408 through a belt and the belt is tensioned. The two driven wheels 409 are located on a side close to the lower mold 301. The driving wheel 408 can drive the belt to move. When the mounting plate 407 moves forward relative to the lower mold 301, the belt can be brought into contact with the hose on the surface of the lower mold 301, and driven by the belt, the hose is driven to rotate on the lower mold 301, thereby adjusting the orientation of the hose;

[0087] The sensor 411 is located at one side of the lower mold 301. The sensor 411 can sense the mark on the hose to confirm the position of the hose.

[0088] The hose adjuster can be used to install the hose on the lower mold 301, and the position can be adjusted very conveniently. Of course, the two driven wheels 409 are only the preferred method for tensioning the belt. In the actual production process, it is sufficient to drive the hose to rotate on the lower mold 301. The reason for using the belt is to reduce damage to the hose, because if the hose is driven to rotate directly by the contact between the driving wheel 408 and the hose, it is easy to cause pressure damage to the hose.

[0089] Further improvement is made, the spraying machine 50 comprises:

[0090] A die head, which is used to heat the material and transport it;

[0091] A spray head 501, wherein the spray head 501 is provided with at least one nozzle 502, and the nozzle 502 is provided with a movable switch 503. The spray head 501 is arranged on the machine head, and the heated molten adhesive is transported into the spray head 501;

[0092] A driving motor 504, wherein the driving motor 504 is disposed on the machine head, and an output end of the driving motor 504 is connected to a gear 506 via a pulley;

[0093] The rack is connected to the mobile switch 503 and drives the mobile switch 503 to move. The rack is engaged with the gear 506, thereby driving the mobile switch 503 to open or close the nozzle 502.

[0094] During the production process, the base 20 drives the lower mold 301 to move to the bottom of the machine head, and then drives the motor 504 to drive the mobile switch 503 to open the nozzle, so as to spray the molten glue onto the die head 302. When the amount reaches a suitable level, the mobile switch 503 closes the nozzle.

[0095] In order to better shape the molten adhesive during the production process, it is preferred that when the nozzle sprays the molten adhesive onto the die head 302 , the molten adhesive is sprayed evenly onto the die head 302 in a circular shape.

[0096] As described above, a group of lower mold groups 30 is preferably two lower molds 301, in order to enable the spray machine 50 to effectively correspond thereto, two nozzles 502 are provided on the spray head 501, and in order to ensure that the spray amounts of the two nozzles 502 are the same, thereby ensuring that the shoulder injection process for the hoses on the two lower molds 301 is performed synchronously without errors, it is preferred that the movable switches 503 on the two nozzles 502 are connected by a connecting plate 505, and the rack is arranged on the connecting plate 505, so that when the driving motor 504 drives the gear 506 to rotate, it can synchronously drive the two movable switches 503 to synchronously open or close the nozzle 502, thereby effectively reducing the injection error, and through the driving motor 504 and the pulley, the accuracy of the movable switch 503 opening or closing the nozzle 502 can be made higher.

[0097] In order to make production more flexible, a movable guide rail 510 is preferably provided at the bottom of the machine head, so that the machine head can be driven to move on the frame 10 by the driver, thereby more conveniently adjusting the distance between the lower mold 301 and the machine head, so that the injection accuracy of the molten glue is higher.

[0098] In order to keep the molten adhesive warm all the time, a heating device is preferably provided on the spray head 501 to ensure that the molten adhesive is always in a molten state.

[0099] After the molten adhesive is sprayed onto the die head 302, the next step is to extrude and mold the molten adhesive.

[0100] Extrusion molding can be performed by pressing an extrusion die from top to bottom on the die head 302, thereby extruding the molten rubber, and then the extrusion die is moved up to demould to complete the molding process. However, many hoses have protruding parts such as threads on the shoulders of the hoses. If this method is used, demoulding will be difficult and the protruding parts will be easily damaged, resulting in defective products. For this purpose, a step is made, such as Figure 12 to Figure 14 As shown, the molding head 60 includes:

[0101] A forming frame 601, the forming frame 601 is disposed on the frame 10, and the forming frame 601 can move up and down relative to the lower mold 301;

[0102] At least two molding dies 602, the molding dies 602 are arranged in the molding frame 601, all the molding dies 602 can be relatively opened or assembled, all the molding dies 602 can be sleeved on the outside of the die head 302 when assembled, and a molding cavity of the hose shoulder is formed between all the molding dies 602 and the die head 302, and a push inclined surface 603 is arranged on the outside of the molding dies 602;

[0103] The driver is located in the molding frame 601 and can move up and down relative to the molding mold 602. The driver cooperates with the push inclined surface 603 to squeeze all the molding molds 602 to fit together toward the center.

[0104] During production, the base 20 first drives the lower mold 301 to move to the bottom of the molding frame 601, and then the molding frame 601 moves downward. At this time, the molding mold 602 is in an open state, and the die head 302 is located in the middle cavity of all the molding molds 602. Then the driver moves downward, thereby cooperating with the push slope 603 on the molding mold 602, thereby driving all the molding molds 602 to extrude toward the center, thereby extruding the molten glue into shape. After the molten glue is extruded into shape, the driver is reset, and all the molding molds 602 are opened to the surroundings, thereby opening the cavity and exposing the molded hose shoulder. At this time, the hose shoulder will not be restricted by the molding mold 602, so that it can move freely under the drive of the lower mold 301.

[0105] This embodiment can also be changed to have a molding cavity 606 at the bottom of the molding frame 601, the molding cavity 606 matches the shape of the die head 302, and the molding mold 602 is set at the top of the molding cavity 606. The molding mold 602 is only used to mold the threaded part of the hose shoulder, and the other parts of the hose shoulder are extruded through the molding cavity 606.

[0106] The driver includes a motor 605 and a driving block 604. The driving block 604 cooperates with the push slope 603 on the above-mentioned molding die 602. The motor 605 is used to drive the driving block 604 to move up and down. In order to ensure that the motor 605 can effectively give a certain pressure to the driving block 604 without directly pressing on the driving block 604 to damage the rigidity, a spring 607 is preferably provided between the driver and the driving block 604. The elastic force of the spring 607 is used to apply sufficient pressure to the driving block 604, thereby generating a certain buffering effect between the driving block 604 and the motor 605, and can effectively ensure the pressure of the driving block 604.

[0107] The forming molds 602 are preferably three, and the three forming molds 602 are assembled facing each other so as to match the outer peripheral shape of the hose shoulder. In order to make the forming molds 602 open better after the driving block 604 is reset, springs 607 are preferably provided between the three forming molds 602, so that the three forming molds 602 will automatically spring open under the action of the springs 607 when the pressure of the driving block 604 is lost, thereby completing the opening work. Of course, all the forming molds 602 can be opened by providing a tension spring between the forming mold 602 and the forming frame 601.

[0108] When the molding is completed, the next step is to cool the hose shoulder. The cooler preferably includes a contact frame 70, on which a contact head 701 is provided. The contact head 701 can move up and down relative to the contact frame 70. The contact head 701 is provided with a contact cavity 702 that matches the shape of the hose shoulder. A water cooling channel is provided in the contact head 701, and the water cooling channel is connected to the coolant.

[0109] During production, the formed hose shoulder is moved to the bottom of the contact head 701 driven by the base 20 and the lower mold 301, and then the contact head 701 moves downward, and the hose shoulder is located in the contact cavity 702 in the contact head 701, and the hose shoulder abuts against the side wall of the contact cavity 702, and then the coolant cools the hose shoulder under the heat conduction effect of the contact head 701.

[0110] Another preferred embodiment of the cooler is to include an air cooler 80, which is disposed on a frame 10 and is provided with an air blowing nozzle 801. The base 20 can drive the lower mold 301 to move to a position corresponding to the position of the air blowing nozzle 801, and the air blowing nozzle 801 can blow air to the hose shoulder on the die head 302 for air cooling.

[0111] In order to facilitate the adjustment of the position of the air blowing nozzle 801, thereby facilitating the adjustment of the orientation and maintenance, it is preferably connected to one end of the air cooler 80 with a driving cylinder 803, one end of the driving cylinder 803 is pivoted to the air blowing nozzle 801, and the air blowing nozzle 801 is pivoted to the air cooler 80 through a movable plate 802. By adjusting the length of the driving cylinder 803, the distance of the air blowing nozzle 801 relative to the air cooler 80 can be adjusted. Due to the pivoting effect of the movable plate 802, when the length of the driving cylinder 803 is changed, the air blowing nozzle 801 can be pulled up or down, thereby playing an adjusting role.

[0112] When in use, in order to cool faster, a cooling channel may preferably be provided on the molding die 602, and then the coolant is connected through a cooling pipe, so that the cooling operation can be performed simultaneously during the molding process.

[0113] Similarly, a cooling water channel 305 may be provided in the lower mold 301 to assist in further cooling. Combined with the above-mentioned die head 302 being detachably installed on the lower mold 301, preferably, when the die head 302 is installed on the lower mold 301, there will be a gap between the die head 302 and the lower mold 301, and this gap is the cooling water channel 305. Then, a water inlet and a water outlet are provided in the lower mold 301, and the water inlet is located at the lowest position of the gap, and the water outlet is located at the highest position of the gap, thereby completing the arrangement of the cooling water channel 305 on the lower mold 301.

[0114] In actual production, any one of the above cooling methods can achieve the cooling effect, but considering that the cooling time is long and the molding time is short, the above cooling methods are all set simultaneously. In actual production, after the melt molding on the first group of lower mold groups 30 in the molding mold 602 is completed, the base 20 immediately drives the lower mold 301 directly into the contact head 701 part for heat conduction and heat dissipation. At this time, the molding mold 602 performs the extrusion molding of the hose shoulder on the second group of lower mold groups 30. After the second group is molded, the base 20 continues to rotate, so that the hose shoulder on the first group of lower mold groups 30 moves to the air cooling machine 80 for air cooling, and the hose shoulder on the second group of lower molds 301 moves to the contact head 701 for heat conduction cooling, thereby making the entire production process faster and more efficient.

[0115] Since the present invention prefers two lower mold groups 30, the above-mentioned blowing nozzle 801, contact head 701, forming frame 601, vacuum suction cup 405, etc. are all in two groups, so as to cooperate with the two lower molds 301 on each group of lower mold groups 30, and then form in one time.

[0116] After the shoulder injection of the hose is completed and cooled, the hose with shoulder injection needs to be removed. At this time, it can be removed manually, but considering the factors of efficiency and intelligence, it is preferred that a material unloading robot 90 is also provided on one side of the base 20, and the material unloading robot 90 is used to remove the hose with shoulder injection. The material unloading robot 90 preferably adopts a technology similar to that of the loading rack 40, except that the ejector 406 in the loading rack 40 is changed into a clamping claw, and the function of the clamping claw is to grab the hose with shoulder injection on the lower mold 301 and move it upward to separate from the lower mold 301, and then suck it through a vacuum suction cup, and then drive the rotating motor to change the position of the hose, and then put it down, so as to complete the work of removing the hose.

[0117] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A hose shoulder injection machine, characterized in that: include: Frame (10); A base (20), the base (20) being arranged on the frame (10), the base (20) being capable of rotating on the frame (10), the base (20) being provided with at least one group of lower mold assemblies (30), each group of lower mold assemblies (30) comprising at least one lower mold (301), the top of the lower mold (301) being provided with a mold head (302) matching the shape of the hose shoulder, the lower mold (301) being used for installing the hose; A loading rack (40), the loading rack (40) being located on one side of the base (20), and the loading rack (40) being used to install the hose on the lower mold (301); A spraying machine (50), the spraying machine (50) is arranged on the frame (10), and the spraying machine (50) sprays the molten adhesive onto the die head (302); A molding head (60), the molding head (60) is arranged on the frame (10), and the molding head (60) can move up and down relative to the lower mold (301), thereby cooperating with the die head (302) to extrude the molten adhesive into a molding shape; A cooler, the cooler being used to cool the injection shoulder; The base (20) can drive the lower mold (301) to move in sequence to positions corresponding to the loading rack (40), the spraying machine (50), the molding head (60), and the cooler; The loading rack (40) comprises: A conveyor belt (401), wherein the conveyor belt (401) is used to transport the hose to one side of the base (20) in a specified direction; A clamp, the clamp being arranged on the frame (10), and being used for clamping the hose and inserting it into the lower mold (301); The conveyor belt (401) is provided with a plurality of mounting grooves (402), and the mounting grooves (402) are used to transport the hose in a horizontal direction. The clamp comprises: A rotating motor (403), wherein the rotating motor (403) is arranged on the frame (10); A connecting rod (404), one end of which is fixedly mounted on the output shaft of the rotating motor (403), and the rotating motor (403) can drive the connecting rod (404) to rotate; A vacuum suction cup (405), the vacuum suction cup (405) is pivotally connected to the other end of the connecting rod (404), and the end of the vacuum suction cup (405) is connected to the output shaft of the rotating motor (403) through a pulley, so that the suction cup rotates synchronously under the drive of the rotating motor (403), thereby sucking and moving the hose from the horizontal direction to the vertical direction; a push rod (406), the push rod (406) is located above the base (20), the push rod (406) corresponds to the position of the connecting rod (404), and the push rod (406) is used to press the hose sucked by the vacuum suction cup (405) down onto the lower mold (301); The spraying machine (50) comprises: A die head, which is used to heat the material and transport it; A spray head (501), wherein the spray head (501) is provided with at least one spray port (502), and the spray port (502) is provided with a movable switch (503). The spray head (501) is arranged on the machine head, and the heated molten adhesive is transported into the spray head (501); A driving motor (504), wherein the driving motor (504) is disposed on the machine head, and an output end of the driving motor (504) is connected to a gear (506) via a pulley; A rack, the rack is connected to the mobile switch (503) and drives the mobile switch (503) to move, the rack is meshed with the gear (506), thereby driving the mobile switch (503) to open or close the nozzle (502); Also included is a hose regulator, the hose regulator comprising: A mounting plate (407), wherein the mounting plate (407) can move forward and backward relative to the lower mold (301); A driving wheel (408), wherein the driving wheel (408) is disposed on the mounting plate (407), and the driving wheel (408) is driven by a driver; A driven wheel (409), wherein a tight belt is arranged on the outer periphery of the driving wheel (408) and the driven wheel (409), and when the mounting plate (407) moves forward relative to the lower mold (301), the belt can be brought into contact with the hose on the surface of the lower mold (301); A sensor (411), the sensor (411) is located on one side of the lower mold (301), and the sensor (411) can sense a mark on the hose, thereby determining the position of the hose; The molding head (60) comprises: A forming frame (601), wherein the forming frame (601) is disposed on the frame (10), and the forming frame (601) can move up and down relative to the lower mold (301); At least two molding dies (602), the molding dies (602) being arranged in a molding frame (601), all the molding dies (602) being relatively open or assembled, all the molding dies (602) being assembled and being able to be sleeved on the outside of the die head (302), a molding cavity for the hose shoulder being formed between all the molding dies (602) and the die head (302), and a push-up inclined surface (603) being arranged on the outside of the molding dies (602); A driver is located in the forming frame (601), and the driver can move up and down relative to the forming mold (602). The driver cooperates with the push inclined surface (603) to squeeze all the forming molds (602) to assemble toward the center.

2. A hose shoulder injection machine as claimed in claim 1, characterized in that: The die head (302) is detachably mounted on the lower die (301).

3. A hose shoulder injection machine as claimed in claim 1, characterized in that: The cooler comprises a contact frame (70), a contact head (701) is arranged on the contact frame (70), the contact head (701) can move up and down relative to the contact frame (70), a contact cavity (702) matching the shape of the hose shoulder is arranged on the contact head (701), a water cooling channel is arranged in the contact head (701), and the water cooling channel is connected to the cooling liquid.

4. A hose shoulder injection machine as claimed in claim 1, characterized in that: The cooler comprises an air cooler (80), the air cooler (80) is arranged on a frame (10), and a blowing nozzle (801) is arranged on the air cooler (80). The base (20) can drive the lower mold (301) to move to a position corresponding to the blowing nozzle (801), and the blowing nozzle (801) can blow air to the hose shoulder on the die head (302) to perform air cooling.

5. A hose shoulder injection machine as claimed in claim 1, characterized in that: A material removal robot (90) is also provided on one side of the base (20), and the material removal robot (90) is used to remove the hose that has been shoulder-injected.

Images